lithium boron tetrafluoride; [Ru(2,2′-bipyridine)3][hexafluorophosphate]2; N-ethyl-N,N-diisopropylamine in hexadeuterioacetone T=23°C; 0.5 h; Inert atmosphereIrradiation;

hydrazine hydrate in dichloromethane T=20°C; 3 h;